- EPA's UCMR 5 testing looked for 30 contaminants here and found 9.
- Lithium: found in 14 of 14 samples, average 70.7 µg/L, highest 114 µg/L (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFBS (a PFAS): found in 12 of 14 samples, average 8.3 ppt, highest 15.6 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFPeA (a PFAS): found in 8 of 14 samples, average 5.5 ppt, highest 17.2 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFHxA (a PFAS): found in 8 of 14 samples, average 4.7 ppt, highest 12.9 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFOA (a PFAS): found in 8 of 14 samples, average 4.3 ppt, highest 13.5 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFOS (a PFAS): found in 7 of 14 samples, average 3.8 ppt, highest 11.7 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFHxS (a PFAS): found in 4 of 14 samples, average 1.9 ppt, highest 9.4 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFBA (a PFAS): found in 3 of 14 samples, average 1.2 ppt, highest 6.5 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFHpA (a PFAS): found in 2 of 14 samples, average 0.50 ppt, highest 3.7 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Avondale tap water? What EPA records show
EPA AZ0407088 · serves Avondale, AZ · about 96,130 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Avondale City of (EPA AZ0407088)
EPA data as of October 14, 2026. For Avondale's main utility, Avondale City of: We found no health-based violations in EPA's records for this system (AZ0407088) since July 1, 2021, as of October 14, 2026. This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
What EPA records show for Avondale City of, as of October 14, 2026
We found no health-based violations in EPA's records for this system (AZ0407088) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Avondale City of (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
EPA's UCMR 5 testing looked for 30 contaminants here and found 9.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Avondale City of use chloramine?
We didn't find chloramine in Avondale City of's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.